package com.government.system.mapper;

import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.government.system.domain.ImMail;

/**
 * 站内信Mapper接口
 * 
 * @author system
 * @date 2023-11-10
 */
public interface ImMailMapper extends BaseMapper<ImMail>
{

    int read(Long userId);
}
